Originally Posted by macropod

The reason you're getting such errors is that you have 'Option Explicit' set (good) but you haven't declared the variables before using them (bad) - which 'Option Explicit' requires. If you check the debugger, you'll see that 'LastValue' causes the error. Nowhere have you declared LastValue and neither have you given it a value. At a guess, I'd say it should be a worksheet reference. Similarly, the same line refers to a range named 'TotalEnrolledLast' but that range doesn't exist in the workbook - and neither does 'TotalCompleteLast'.